配置项

    {
      alertInfo: {
        text: '',
        iconName: '',
        severity: 'success' | 'info' | 'warning' | 'error'
      }
      "渐变色": [
        "#edd4b0",
        "#84c7fc",
        "#7fc8d1",
        "#00e2ff"
      ],
      // time渐变色
      "backgroundImage": "linear-gradient(to bottom, orange, #fff)",
      "webkitBackgroundClip": "text",
      "webkitTextFillColor": "transparent",
      // label icon高亮
      "maskImage": "linear-gradient(to right, rgba(0, 0, 0, 1) 14.7px, rgba(0, 0, 0, 0.7) 14.7px 100%)",
      "color": "#fff"
    }